This Is Bigsby®'s Licensed Die Cast Version Of Their Famous B6 Bridge. Commonly Used On Large Acoustic And Archtop Guitars. It Is Manufactured Of Diecast Aluminum. Most Of The Virtues Of Bigsby®'s U.S. Sand Cast Tremolo At A Lower Price. Does Not Include Bridge.

Features:

• Series: Lightning Series I
• Manufacturing Method: Die Cast
• Manufacturing Material: Aluminum
• Approximate weight: 308 grams (10.9 oz.)
• Overall Length: 8 ⅝ in. (219.1 mm)
• Overall Width: 3 ⅞ in. (98.4 mm)
• Arm adjusts with ⅛ in. Allen wrench and 5⁄16 in. socket wrench